/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.support.v4.widget;

import android.annotation.TargetApi;
import android.graphics.drawable.Drawable;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.annotation.RequiresApi;
import android.view.View;
import android.widget.TextView;

@RequiresApi(17)
@TargetApi(17)
class TextViewCompatJbMr1 {

    public static void setCompoundDrawablesRelative(@NonNull TextView textView,
                                                    @Nullable Drawable start, @Nullable Drawable top, @Nullable Drawable end,
                                                    @Nullable Drawable bottom) {
        boolean rtl = textView.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
        textView.setCompoundDrawables(rtl ? end : start, top, rtl ? start : end, bottom);
    }

    public static void setCompoundDrawablesRelativeWithIntrinsicBounds(@NonNull TextView textView,
                                                                       @Nullable Drawable start, @Nullable Drawable top, @Nullable Drawable end,
                                                                       @Nullable Drawable bottom) {
        boolean rtl = textView.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
        textView.setCompoundDrawablesWithIntrinsicBounds(rtl ? end : start, top, rtl ? start : end,
                bottom);
    }

    public static void setCompoundDrawablesRelativeWithIntrinsicBounds(@NonNull TextView textView,
            int start, int top, int end, int bottom) {
        boolean rtl = textView.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
        textView.setCompoundDrawablesWithIntrinsicBounds(rtl ? end : start, top, rtl ? start : end,
                bottom);
    }

    public static Drawable[] getCompoundDrawablesRelative(@NonNull TextView textView) {
        final boolean rtl = textView.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
        final Drawable[] compounds = textView.getCompoundDrawables();
        if (rtl) {
            // If we're on RTL, we need to invert the horizontal result like above
            final Drawable start = compounds[2];
            final Drawable end = compounds[0];
            compounds[0] = start;
            compounds[2] = end;
        }
        return compounds;
    }

}
